jQuery.fn.slideLeftHide = function( speed, callback ) { this.animate( { width: "hide", paddingLeft: "hide", paddingRight: "hide", marginLeft: "hide", marginRight: "hide" }, "fast", callback ); }
jQuery.fn.slideLeftShow = function( speed, callback ) { this.animate( { width: "show", paddingLeft: "show", paddingRight: "show", marginLeft: "show", marginRight: "show" }, "normal", callback ); }

$(document).ready(function() {

$(".menu a").hover(function(){
							$(this).parent("li").children(".nom").stop(true,true);
							if(!$(this).parent("li").hasClass("on"))
							$(this).parent("li").children(".nom").slideLeftShow();
							}, function(){
							$(this).parent("li").children(".nom").stop(true,true);
							if(!$(this).parent("li").hasClass("on"))
							$(this).parent("li").children(".nom").slideLeftHide();
							});

});